提交 89063255 编写于 作者: G Ganlin Zhao

"[TD-11220]<feature>(query): time related functions"

上级 4841da78
......@@ -83,12 +83,12 @@ void deltaToUtcInitOnce() {
static int64_t parseFraction(char* str, char** end, int32_t timePrec);
static int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec, char delim);
static int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec);
static int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec);
static int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec, char delim);
static int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec, char delim);
static char* forwardToTimeStringEnd(char* str);
static bool checkTzPresent(char *str, int32_t len);
static int32_t (*parseLocaltimeFp[]) (char* timestr, int64_t* time, int32_t timePrec) = {
static int32_t (*parseLocaltimeFp[]) (char* timestr, int64_t* time, int32_t timePrec, char delim) = {
parseLocaltime,
parseLocaltimeWithDst
};
......@@ -98,11 +98,17 @@ int32_t taosGetTimestampSec() { return (int32_t)time(NULL); }
int32_t taosParseTime(char* timestr, int64_t* time, int32_t len, int32_t timePrec, int8_t day_light) {
/* parse datatime string in with tz */
if (strnchr(timestr, 'T', len, false) != NULL) {
return parseTimeWithTz(timestr, time, timePrec, 'T');
} else if (checkTzPresent(timestr, len)) {
return parseTimeWithTz(timestr, time, timePrec, 0);
if (checkTzPresent(timestr, len)) {
return parseTimeWithTz(timestr, time, timePrec, 'T');
} else {
return (*parseLocaltimeFp[day_light])(timestr, time, timePrec, 'T');
}
} else {
return (*parseLocaltimeFp[day_light])(timestr, time, timePrec);
if (checkTzPresent(timestr, len)) {
return parseTimeWithTz(timestr, time, timePrec, 0);
} else {
return (*parseLocaltimeFp[day_light])(timestr, time, timePrec, 0);
}
}
}
......@@ -316,11 +322,19 @@ int32_t parseTimeWithTz(char* timestr, int64_t* time, int32_t timePrec, char del
return 0;
}
int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec) {
int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec, char delim) {
*time = 0;
struct tm tm = {0};
char* str = strptime(timestr, "%Y-%m-%d %H:%M:%S", &tm);
char* str;
if (delim == 'T') {
str = strptime(timestr, "%Y-%m-%dT%H:%M:%S", &tm);
} else if (delim == 0) {
str = strptime(timestr, "%Y-%m-%d %H:%M:%S", &tm);
} else {
str = NULL;
}
if (str == NULL) {
return -1;
}
......@@ -332,7 +346,7 @@ int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec) {
#endif
int64_t seconds = user_mktime64(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, timezone);
int64_t fraction = 0;
if (*str == '.') {
......@@ -349,19 +363,27 @@ int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec) {
return 0;
}
int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec) {
int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec, char delim) {
*time = 0;
struct tm tm = {0};
tm.tm_isdst = -1;
char* str = strptime(timestr, "%Y-%m-%d %H:%M:%S", &tm);
char* str;
if (delim == 'T') {
str = strptime(timestr, "%Y-%m-%dT%H:%M:%S", &tm);
} else if (delim == 0) {
str = strptime(timestr, "%Y-%m-%d %H:%M:%S", &tm);
} else {
str = NULL;
}
if (str == NULL) {
return -1;
}
/* mktime will be affected by TZ, set by using taos_options */
int64_t seconds = mktime(&tm);
int64_t fraction = 0;
if (*str == '.') {
......
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